Multiple choice Of what significance were roads and canals by the 1830’s? They slowed the growth of cities They stopped expansion of railroad construction They encouraged westward movement and economic growth They improved Native American relations Reveal answer Fill a bubble to check yourself C Correct answer Explanation The expansion of roads, canals, and later railroads in the 1830s significantly lowered transportation costs, facilitated the movement of goods and people, and encouraged economic growth and westward expansion.